package src.multithreading;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.SimpleTimeZone;

//模拟倒计时
public class TestSleep2 {
    public static void main(String[] args) {
        TestSleep2 testSleep2 = new TestSleep2();
        try {
            testSleep2.tenDown();
        } catch (InterruptedException e) {
            throw new RuntimeException(e);
        }
        Date startTime = new Date(System.currentTimeMillis());//获取系统当前时间
        while(true){
            try {
                Thread.sleep(1000);
                System.out.println(new SimpleDateFormat("hh:mm:ss").format(startTime));
                startTime = new Date(System.currentTimeMillis());//更新当前时间
            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            }

        }

    }

    public void tenDown() throws InterruptedException{
        int num = 10;
        while(true){
            Thread.sleep(200);
            System.out.println(num--);
            if(num<=0){
                break;
            }
        }
    }
}
